The answer to life, the universe and everything might be 73. Or 67
by Hannah Devlin, Science correspondent from on (#3PWX5)
A new estimate of the Hubble constant - the rate at which the universe is expanding - is baffling many of the finest minds in the cosmology community
A crisis of cosmic proportions is brewing: the universe is expanding 9% faster than it ought to be and scientists are not sure why.
The latest, most precise, estimate of the universe's current rate of expansion - a value known as the Hubble constant - comes from observations by the European Space Agency's Gaia mission, which is conducting the most detailed ever three-dimensional survey of the Milky Way.
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